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Finding the Fourth Proportional to 98,925.52, 136,703.50 and 75,007.84

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Solution

The fourth proportional to 98,925.52, 136,703.50 and 75,007.84 is: 103,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925.52 : 136,703.50 = 75,007.84 : x
  2. Step 2: Convert to fraction form
    98,925.52/136,703.50 = 75,007.84/x
  3. Step 3: Cross multiply
    98,925.52x = 136,703.50 × 75,007.84
  4. Step 4: Simplify right side
    98,925.52x = 10,253,834,255.44
  5. Step 5: Solve for x
    x = 10,253,834,255.44/98,925.52
  6. Step 6: Final answer
    x = 103,652.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.